As in any specialized profession, the world of ESL/EFL/ELL has its own unique terminology. I quite regularly come upon words that I’m not familiar with.
I thought a short “The Best…” list might be useful for readers.
I haven’t found one glossary of these kinds of terms that I would consider “complete” and accessible, so I’m listing a few of them.
Here are my picks for The Best Guides To ESL/EFL/ELL Terminology:
The last two were suggested by David Deubelbeiss. Thanks, David!
The American Institutes For Research has a good document titled Common ELL Terms and Definitions.
Colorin Colorado has a good glossary.
Other suggestions are, as always, welcome.